By A Mystery Man Writer
Clams - Arctic Bioscan Wiki
file shell - Encyclopedia of Life
A bivalve mollusc (Thracia convexa) - MarLIN - The Marine Life
Petricola - Wikipedia
Lirophora varicosa (imperial venus clam) (St. Thomas, Virg…
Bioerosion, Fossil Wiki
Gari lineolata - Wikipedia
Vesicomyidae - Wikipedia
Sassy Scallops – Woods Hole Oceanographic Institution
Fossil identify? - Fossil ID - The Fossil Forum